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| 0000047518-17-000107-index.html | 2017-11-03 06:48:27 | |
| 0000047518-17-000107.txt | 2017-11-03 06:48:27 | |
| a2017q4earnings8-k.htm | 33646 | 2017-11-03 06:48:27 |
| a2017q4exhibit991.htm | 641553 | 2017-11-03 06:48:27 |
| a2017q4exhibit992.htm | 25230 | 2017-11-03 06:48:27 |
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